(IVAR) - Final Report - Strategic Environmental Research and ...

3.1.2.2.7 Provides Bird Abundance over Periods of Time [PB7.2]
Criteria PB4.2 and PB5.2 presented the temporal and spatial distribution of bird activity as plan
position or georeferenced map displays. We designed Criterion PB7.2 to demonstrate that the
distribution of bird abundance data over time can also be displayed as a histogram. For this
demonstration we chose to plot the total number of tracks on a daily basis for one year.
3.1.2.2.8 Provides Seasonal Comparison Distributions [SB8.2]
We designed Criterion SB8.2 to be an extension of PB7.2 by selecting from the year’s worth of
data several 5-day intervals to represent different seasons and displaying the abundance data for
these intervals on an hourly basis.
3.1.2.2.9 Samples Birds at Night [PB9.2]
The ability to sample birds at night is one of the primary advantages of avian radar over other
methods of sampling birds - especially for locations that must provide around-the-clock situational
awareness of bird activity. PB9.2 was designed to demonstrate this capability by presenting
hourly trends and track histories to illustrate that nighttime sampling of bird activity is achievable
with digital avian radar systems.
3.1.3 Data Streaming
Data streaming is the process of transmitting digital data, typically across a communications
network, from where the data were generated (i.e., at the location of the avian radar) to where the
data will be used (e.g., the wildlife management office) or stored (e.g., a historical database).
3.1.3.1 Quantitative Performance Criteria
The performance objectives discussed in the following subsections were designed to evaluate
data streaming quantitatively; that is, the Success Criteria were defined as a numeric quantity
against which the results of testing the radar system could be evaluated.
3.1.3.1.1 Target Data Streaming Integrity Assured [PC1.1]
It is essential to ensure the integrity of the data being transmitting across a communications
network. We designed Criterion PC1.1 to demonstrate that data generated at a radar location
could be streamed over the Internet to a storage location several thousand kilometers away with
an error rate of 5% or less.
3.1.3.1.2 Wired LAN Availability [PC3.1]
The availability (i.e., “up-time”) of the network used to transmit the data from the radar system in
the field to a remote processing/storage site across a local-area network (i.e., within a facility)
must be high. We set as our success criterion to demonstrate this capability a 90% up-time for a
wired communications network.
3.1.3.1.3 Database Target Data Organized Into In Near Real Time [PC4.1]
By the same token, it’s equally important that the application at the other end of the data stream
be able to keep up with the rate at which data are being generated by the avian radar system and
streamed across the network. We chose the RDS to demonstrate this capability because the
architecture of the Accipiter® avian radar systems uses the RDS both to store plots and tracks
data for historical analysis, as well as to redistribute the data for real-time applications. We set
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